Aromatic sulfide/sulfone polymer production

Details Aromatic sulfide/sulfone polymer production Aromatic sulfide/sulfone polymer production

1976-06-22

1978-11-14

Griffin, Ronald W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From sulfur-containing reactant

528174, C08F 2800

Patent

active

041255259

ABSTRACT:
High molecular weight aromatic sulfide/sulfone polymers are produced by contacting a dihalo aromatic sulfone, an alkali metal sulfide other than lithium sulfide, and an alkali metal carboxylate in a sulfone diluent. Use of the alkali metal carboxylate results in polymers of high molecular weight having utility as coatings, films, molded objects, fibers, filaments, and the like.

REFERENCES:
patent: 3354129 (1967-11-01), Edmonds et al.
patent: 3780000 (1973-12-01), Feasey et al.
patent: 3867356 (1975-02-01), Campbell
patent: 3884884 (1975-05-01), Scoggins et al.
patent: 3919177 (1975-11-01), Campbell
patent: 4016145 (1977-04-01), Campbell

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